Model M6497 or A1005 / 500, 600, 700, 800, or 900 MHz G3 processor

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Display Screen stays black, but computer still works good

My iBook G3 12" 600Mhz run always top but now he has a problem!

When I start the machine he run normal, only the Display screen stay Bback and I can see nothing more. (Running OS X 10.4.11)

The Problem begins with normal Start, Display works good but 10 Min. Later Display screen change alone black under working? This was 2-3 times and now when I start the iBook the Display screen shows nothing more only thework's good Hard Drive, Light's on Keyboard.....etc.

I have no idea how to fix this problem maybe somebody know the answer.

I don't want change the display if the problem is on a other place (example graphics chip)

Hopeful for Help Thank's a lot

Konrad/ Germany

Answered! View the answer I have this problem too

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Deck the Halls
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Here is someone who repairs the video chips in your model of iBook:

http://cgi.ebay.com/iBook-G3-Logic-Board...

I've had him fix a couple of G5 iMacs and they came back in good order. He only does G5 iMacs and G3 iBooks.

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Hi! Unfortunately it does sound like you have the G3 video chip issue. Please read my answer to this question:

Why does my iBook randomly freeze?

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Konrad Weinberger will be eternally grateful.
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